Can you explain the N-Queens problem?
Sure! The N-Queens problem is a classic puzzle in which you must place N queens on an N x N chessboard so that no two queens threaten each other.
What does it mean for queens to threaten each other?
In chess, a queen can move any number of squares vertically, horizontally, or diagonally. So, two queens threaten each other if they are in the same row, column, or diagonal.
Is there a solution for every value of N?
No, there are no solutions for N=2 and N=3. However, for N=1 and N>=4, there are always solutions.
How can I solve the N-Queens problem programmatically?
You can use backtracking algorithms to solve the N-Queens problem. This involves placing queens one by one and backtracking when a conflict arises.
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